Added Mapping Model class and supporting Mapping framework

data-prepper-logstash-configuration/build.gradle

@@ -10,6 +10,7 @@ repositories {
 
 dependencies {
     antlr "org.antlr:antlr4:4.9.2"
+    implementation project(':data-prepper-api')
     testImplementation "org.hamcrest:hamcrest:2.2"
     testImplementation "org.mockito:mockito-inline:${versionMap.mockito}"
     testImplementation platform("org.junit:junit-bom:${versionMap.junitJupiter}")

data-prepper-logstash-configuration/src/main/java/org/opensearch/dataprepper/logstash/mapping/LogstashMappingModel.java

@@ -0,0 +1,34 @@
+package org.opensearch.dataprepper.logstash.mapping;
+
+import java.util.Map;
+
+/**
+ * Mapping Model class for Logstash plugins and attributes
+ *
+ * @since 1.2
+ */
+public class LogstashMappingModel {
+
+    private final String pluginName;
+    private final Map<String, Object> mappedAttributes;
+    private final Map<String, Object> additionalAttributes;
+
+    public LogstashMappingModel(final String pluginName, final Map<String, Object> mappedAttributes,
+                                final Map<String, Object> additionalAttributes) {
+        this.pluginName = pluginName;
+        this.mappedAttributes = mappedAttributes;
+        this.additionalAttributes = additionalAttributes;
+    }
+
+    public String getPluginName() {
+        return pluginName;
+    }
+
+    public Map<String, Object> getMappedAttributes() {
+        return mappedAttributes;
+    }
+
+    public Map<String, Object> getAdditionalAttributes() {
+        return additionalAttributes;
+    }
+}

data-prepper-logstash-configuration/src/main/java/org/opensearch/dataprepper/logstash/mapping/LogstashPluginMapper.java

@@ -0,0 +1,16 @@
+package org.opensearch.dataprepper.logstash.mapping;
+
+import com.amazon.dataprepper.model.configuration.PluginModel;
+import org.opensearch.dataprepper.logstash.model.LogstashPlugin;
+
+public interface LogstashPluginMapper {
+
+    /**
+     * Takes a Logstash plugin with its associated attributes and maps it to corresponding
+     * Data Prepper plugin and attributes based on Mapping files
+     *
+     * @param logstashPlugin A Logstash plugin with its attributes
+     * @return A Data Prepper plugin with its attributes
+     */
+    PluginModel mapPlugin(LogstashPlugin logstashPlugin);
+}